1. Increasing by successive addition
   "the eventual accumulative effect of these substances"
   - cumulative 
2. Marked by acquiring or amassing
   "we live in an accumulative society"

See also: accumulate, acquisitive, additive

• holographical
• holography
• holometabola
• holometabolic
• holometabolism
• holometabolous
• holometaboly
• holomorphic
• holonym
• holonymy
• holophrastic
• holophyte
• holophytic
• Holothuria
• Holothuria edulis
• holothurian
• Holothuridae
• Holothuroidea
• holotype
• holozoic
• hols
• Holstein
• Holstein-Friesian
• holster
• holt